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2020-09-02Merge release-20200818.0-104-g40faeaa18 (automated)gVisor bot
2020-09-01Fix handling of unacceptable ACKs during close.Mithun Iyer
On receiving an ACK with unacceptable ACK number, in a closing state, TCP, needs to reply back with an ACK with correct seq and ack numbers and remain in same state. This change is as per RFC793 page 37, but with a difference that it does not apply to ESTABLISHED state, just as in Linux. Also add more tests to check for OTW sequence number and unacceptable ack numbers in these states. Fixes #3785 PiperOrigin-RevId: 329616283
2020-09-02Merge release-20200818.0-103-gc67d8ece0 (automated)gVisor bot
2020-09-01Merge release-20200818.0-102-g2eaf54dd5 (automated)gVisor bot
2020-09-01Refactor tty codebase to use master-replica terminology.Ayush Ranjan
Updates #2972 PiperOrigin-RevId: 329584905
2020-09-01Merge release-20200818.0-101-g04c284f8c (automated)gVisor bot
2020-09-01Fix panic when calling dup2().Nayana Bidari
PiperOrigin-RevId: 329572337
2020-09-01Merge release-20200818.0-100-g723fb5c11 (automated)gVisor bot
2020-09-01[go-marshal] Enable auto-marshalling for fs/tty.Ayush Ranjan
PiperOrigin-RevId: 329564614
2020-09-01Merge release-20200818.0-99-g71589b7f7 (automated)gVisor bot
2020-09-01Merge release-20200818.0-98-g0eae08bc9 (automated)gVisor bot
2020-09-01Automated rollback of changelist 328350576Nayana Bidari
PiperOrigin-RevId: 329526153
2020-09-01Merge release-20200818.0-97-gf4be726fd (automated)gVisor bot
2020-09-01Merge release-20200818.0-96-g674843849 (automated)gVisor bot
2020-09-01Merge release-20200818.0-95-g101c97d6f (automated)gVisor bot
2020-08-31Merge release-20200818.0-94-g170560cec (automated)gVisor bot
2020-08-31Merge release-20200818.0-93-g6cdfa4fee (automated)gVisor bot
2020-08-31Don't use read-only host FD for writable gofer dentries in VFS2.Jamie Liu
As documented for gofer.dentry.hostFD. PiperOrigin-RevId: 329372319
2020-08-31Merge release-20200818.0-92-g9d0d82088 (automated)gVisor bot
2020-08-31Merge release-20200818.0-91-g911cecaa3 (automated)gVisor bot
2020-08-31Implement walk in gvisor verity fsgVisor bot
Implement walk directories in gvisor verity file system. For each step, the child dentry is verified against a verified parent root hash. PiperOrigin-RevId: 329358747
2020-08-31Merge release-20200818.0-90-gba25485d9 (automated)gVisor bot
2020-08-31stateify: Bring back struct field and type names in pretty printTing-Yu Wang
PiperOrigin-RevId: 329349158
2020-08-31Merge release-20200818.0-89-ga3d189301 (automated)gVisor bot
2020-08-29Merge release-20200818.0-88-g3bee863ae (automated)gVisor bot
2020-08-29Merge release-20200818.0-87-gf6ddcbefa (automated)gVisor bot
2020-08-28Fix kernfs.Dentry reference leak.Nicolas Lacasse
PiperOrigin-RevId: 329036994
2020-08-28Merge release-20200818.0-86-gd3057717d (automated)gVisor bot
2020-08-28Merge release-20200818.0-85-gd5787f628 (automated)gVisor bot
2020-08-28Don't bind loopback to all IPs in an IPv6 subnetGhanan Gowripalan
An earlier change considered the loopback bound to all addresses in an assigned subnet. This should have only be done for IPv4 to maintain compatability with Linux: ``` $ ip addr show dev lo 1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group ... link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 inet 127.0.0.1/8 scope host lo valid_lft forever preferred_lft forever inet6 ::1/128 scope host valid_lft forever preferred_lft forever $ ping 2001:db8::1 PING 2001:db8::1(2001:db8::1) 56 data bytes ^C --- 2001:db8::1 ping statistics --- 4 packets transmitted, 0 received, 100% packet loss, time 3062ms $ ping 2001:db8::2 PING 2001:db8::2(2001:db8::2) 56 data bytes ^C --- 2001:db8::2 ping statistics --- 3 packets transmitted, 0 received, 100% packet loss, time 2030ms $ sudo ip addr add 2001:db8::1/64 dev lo $ ping 2001:db8::1 PING 2001:db8::1(2001:db8::1) 56 data bytes 64 bytes from 2001:db8::1: icmp_seq=1 ttl=64 time=0.055 ms 64 bytes from 2001:db8::1: icmp_seq=2 ttl=64 time=0.074 ms 64 bytes from 2001:db8::1: icmp_seq=3 ttl=64 time=0.073 ms 64 bytes from 2001:db8::1: icmp_seq=4 ttl=64 time=0.071 ms ^C --- 2001:db8::1 ping statistics --- 4 packets transmitted, 4 received, 0% packet loss, time 3075ms rtt min/avg/max/mdev = 0.055/0.068/0.074/0.007 ms $ ping 2001:db8::2 PING 2001:db8::2(2001:db8::2) 56 data bytes From 2001:db8::1 icmp_seq=1 Destination unreachable: No route From 2001:db8::1 icmp_seq=2 Destination unreachable: No route From 2001:db8::1 icmp_seq=3 Destination unreachable: No route From 2001:db8::1 icmp_seq=4 Destination unreachable: No route ^C --- 2001:db8::2 ping statistics --- 4 packets transmitted, 0 received, +4 errors, 100% packet loss, time 3070ms ``` Test: integration_test.TestLoopbackAcceptAllInSubnet PiperOrigin-RevId: 329011566
2020-08-28Merge release-20200818.0-84-gb4820e598 (automated)gVisor bot
2020-08-28Implement StatFS for various VFS2 filesystems.Rahat Mahmood
This mainly involved enabling kernfs' client filesystems to provide a StatFS implementation. Fixes #3411, #3515. PiperOrigin-RevId: 329009864
2020-08-28Merge release-20200818.0-83-gbdd5996a7 (automated)gVisor bot
2020-08-28Improve type safety for network protocol optionsGhanan Gowripalan
The existing implementation for NetworkProtocol.{Set}Option take arguments of an empty interface type which all types (implicitly) implement; any type may be passed to the functions. This change introduces marker interfaces for network protocol options that may be set or queried which network protocol option types implement to ensure that invalid types are caught at compile time. Different interfaces are used to allow the compiler to enforce read-only or set-only socket options. PiperOrigin-RevId: 328980359
2020-08-28Merge release-20200818.0-82-g8b9cb36d1 (automated)gVisor bot
2020-08-28Fix EOF handling for splice.Dean Deng
Also, add corresponding EOF tests for splice/sendfile. Discovered by syzkaller. PiperOrigin-RevId: 328975990
2020-08-28Merge release-20200818.0-81-gb3ff31d04 (automated)gVisor bot
2020-08-28fix panic when calling SO_ORIGINAL_DST without initializing iptablesKevin Krakauer
Reported-by: syzbot+074ec22c42305725b79f@syzkaller.appspotmail.com PiperOrigin-RevId: 328963899
2020-08-28Merge release-20200818.0-80-g7bc9f9b47 (automated)gVisor bot
2020-08-28Merge release-20200818.0-79-g8ae0ab722 (automated)gVisor bot
2020-08-28Use a single NetworkEndpoint per addressGhanan Gowripalan
This change was already done as of https://github.com/google/gvisor/commit/1736b2208f but https://github.com/google/gvisor/commit/a174aa7597 conflicted with that change and it was missed in reviews. This change fixes the conflict. PiperOrigin-RevId: 328920372
2020-08-28Merge release-20200818.0-78-g421e35020 (automated)gVisor bot
2020-08-27[go-marshal] Enable auto-marshalling for tundev.Ayush Ranjan
PiperOrigin-RevId: 328863725
2020-08-28Merge release-20200818.0-77-g84f04909c (automated)gVisor bot
2020-08-27Fix vfs2 pipe behavior when splicing to a non-pipe.Dean Deng
Fixes *.sh Java runtime tests, where splice()-ing from a pipe to /dev/zero would not actually empty the pipe. There was no guarantee that the data would actually be consumed on a splice operation unless the output file's implementation of Write/PWrite actually called VFSPipeFD.CopyIn. Now, whatever bytes are "written" are consumed regardless of whether CopyIn is called or not. Furthermore, the number of bytes in the IOSequence for reads is now capped at the amount of data actually available. Before, splicing to /dev/zero would always return the requested splice size without taking the actual available data into account. This change also refactors the case where an input file is spliced into an output pipe so that it follows a similar pattern, which is arguably cleaner anyway. Updates #3576. PiperOrigin-RevId: 328843954
2020-08-27Merge release-20200818.0-76-gdc008fbbc (automated)gVisor bot
2020-08-27unix: return ECONNREFUSE if a socket file exists but a socket isn't bound to itAndrei Vagin
PiperOrigin-RevId: 328843560
2020-08-27Merge release-20200818.0-75-g57877b420 (automated)gVisor bot
2020-08-27[go-marshal] Support for usermem.IOOpts.Ayush Ranjan
PiperOrigin-RevId: 328839759
2020-08-27Merge release-20200818.0-74-g6f8fb7e0d (automated)gVisor bot
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